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Ford 641 Tractor Specs

SKU:
Ford-641-Tractor-Specs
Ford 641 Tractor Specs Parts Serial Number
Fits Models:
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Part # Ford-641-Tractor-Specs

Description:

Serial Number Location

The serial number for the Ford 641 is:

  • Stamped on a flat area just above the starter motor on the left side of the engine block

  • Serial numbers correspond with the 601 Workmaster Series production run from 1957 to 1962

Serial Numbers by Year:

Year Serial Number Range
1957 1001 – 11930
1958 11931 – 58312
1959 58313 – 105942
1960 105943 – 131427
1961 131428 – 155531
1962 155532 and up

Key Specifications

Feature Specification
Engine Options 2.2L (134 cu in) gas/LP or 2.4L (144 cu in) diesel
Horsepower (Gross) ~42.6 HP (31.8 kW)
PTO Power ~31.78 HP (23.7 kW)
Transmission Options 4-speed gear (1 reverse) or 12-speed gear (3 reverse)
Fuel Capacity 11 gal (41.6 L)
Operating Weight ~3,285 lbs (1,490 kg)

Hydraulic System

Feature Specification
Type Open center
Hydraulic Capacity 8 gal (30.3 L)
3-Point Hitch Category I
Lift Capacity 1,250 lbs (567 kg)

Dimensions

Feature Measurement
Wheelbase 75.2 in (191 cm)
Length 121.4 in (308 cm)
Width 64.75 in (164 cm)
Height 58.7 in (149 cm)
Ground Clearance 21 in (53 cm)

Tire Sizes

  • Front: 5.50-16

  • Rear: 11-28


Key Features

  • Workmaster Utility – Designed for general-purpose farm and utility work

  • Engine Versatility – Available in gasoline, LP-gas, or diesel configurations

  • Transmission Options – Basic 4-speed or optional 12-speed gearboxes for better speed control

  • PTO & Lift Ready – Includes PTO and 3-point hitch as standard on 641 variant

  • Simple & Serviceable – Excellent parts support and repairability


Model Series Reference

600 Series (1954–1957):

  • 640: 4-speed, PTO & 3-point hitch

  • 650: 5-speed, no live PTO

  • 660: 5-speed, live PTO

601 Workmaster Series (1957–1962):

  • 641: 4-speed, with PTO & 3-point hitch

  • 651: 5-speed, non-live PTO

  • 661: 5-speed, live PTO

  • 671: Select-O-Speed w/ single-speed PTO

  • 681: Select-O-Speed w/ dual-speed PTO

Note: Ford 641 is the functional successor to the 640 with modernized badging and serial designation.


Common Replacement Parts

Get reliable Ford 641 parts at Broken Tractor:

Engine

  • Fuel pumps, pistons, valve cover gaskets, carburetors, glow plugs (diesel)

Transmission

  • Gear sets, input shafts, clutch discs, shift levers, gaskets

PTO & Hitch

  • PTO shafts, clutch kits, lift arms, top links, stabilizer brackets

Hydraulics

  • Pumps, control valves, cylinder rebuild kits, hydraulic hoses

Electrical

  • Starters, distributors, wiring harnesses, switches, voltage regulators


Maintenance Schedule

Task Recommended Interval
Oil & Filter Change Every 100 hours or seasonally
Air Filter Service Monthly or more often in dusty conditions
Fuel Filter Cleaning Every 200 hours
Coolant Flush Every 2 years
Hydraulic Oil Service Every 400 hours
Greasing Points Weekly or more under heavy use

Information Guide Only

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